WASHINGTON -- ABC’s “This Week” — House Speaker Nancy Pelosi, D-Calif.; Ukrainian Deputy Prime Minister Olga Stefanishyna.——NBC’s “Meet the Press” — To be announced.——CBS’ “Face the Nation" — Transportation Secretary Pete Buttigieg; former Defense Secretary Mark Esper; Lloyd Blankfein, senior chairman of Goldman Sachs.———CNN’s “State of the Union” — Pelosi; Gov. Pete Ricketts, R-Neb.; Finnish President Sauli Niinistö.———“Fox News Sunday” — Govs.